Q-day
name
name ·Rare ·Advanced level
Definitions
Proper Noun
- 1 A conjectured future day on which quantum computing developments will make it possible to defeat the encryption system that underpins cryptocurrency.
Etymology
The Q stands for quantum.
More for "q-day"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.